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Cheap flights from Kathmandu to Kolkata from ₹ 10,240

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 17/9. Fares are subject to change and may not be available on all flights or dates of travel.
KTM — CCU
12 Oct — 19 Oct1
1 adult
1 adult, Economy

Cheap flight deals from Kathmandu to Kolkata

Discover tips and strategies to find the most affordable flight options for your journey from Kathmandu (KTM) to Kolkata (CCU). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 12 September 2025.

Round-trip from

₹ 24,717

One-way from

₹ 10,240

Popular in

June

Cheapest in

August

Average price

₹ 25,777

Good one-way deal

₹ 11,914 or less
Biman Bangladesh
  • Biman Bangladesh
  • 26/10-2/11
  • 2 total stops
  • 46h 20m total
  • Kathmandu to Kolkata
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Air India
  • Air India
  • 17/9
  • 1 total stop
  • 8h 55m total
  • Kathmandu to Kolkata
Search Deals
Highest demand for flights based on searches. 15% potential increase in price (₹ 520,694 potential increase over avg. return price).
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Cheapest flight prices on average. 5% potential price decrease (₹ 142,881 potential savings vs. average return price).
Search Deals
Average for round-trip flights in September 2025
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Price to beat on a one-way flight from Kathmandu Tribhuvan to Kolkata Netaji S. Chandra.
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Find flight deals from Kathmandu to Kolkata

Cheapest flights from Kathmandu to Kolkata
Explore the most affordable flight options available from Kathmandu to Kolkata. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 12 September 2025.

Sun 26/1016:00KTM - CCU
1 stop26h 05mBiman Bangladesh
Sun 2/1118:30CCU - KTM
1 stop20h 15mBiman Bangladesh
Deal found 11/9₹ 24,717
Wed 8/1016:00KTM - CCU
1 stop26h 00mBiman Bangladesh
Wed 15/1018:30CCU - KTM
1 stop19h 15mBiman Bangladesh
Deal found 10/9₹ 25,777
Thu 11/906:30KTM - CCU
1 stop6h 00mMultiple Airlines
Thu 11/916:45CCU - KTM
1 stop16h 55mMultiple Airlines
Deal found 10/9₹ 30,279
Sun 26/1013:50KTM - CCU
1 stop4h 15mMultiple Airlines
Sat 1/1100:55CCU - KTM
1 stop18h 55mMultiple Airlines
Deal found 11/9₹ 32,486
Wed 8/1006:30KTM - CCU
2 stops16h 20mMultiple Airlines
Wed 15/1018:40CCU - KTM
2 stops18h 05mMultiple Airlines
Deal found 10/9₹ 33,192
Sat 25/1015:00KTM - CCU
1 stop3h 40mMultiple Airlines
Sat 1/1116:15CCU - KTM
1 stop6h 30mMultiple Airlines
Deal found 10/9₹ 34,428
Sun 12/1006:30KTM - CCU
2 stops14h 25mMultiple Airlines
Mon 13/1017:50CCU - KTM
2 stops29h 40mMultiple Airlines
Deal found 10/9₹ 34,869

Cheapflights Fare Finder

 
Customise your flight search to find flights from Kathmandu to Kolkata that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 454,620 searches. Data last updated 12 September 2025.
Use the filters below to find and compare flights from Kathmandu to Kolkata that are best for you.

Fly from

Kathmandu

Fly to

Kolkata

Route

Depart

Return

Price

KathmanduKolkata

KTM - CCU

KTMCCU

Kathmandu Tribhuvan

Sun 26/10

16:00-17:50

1 stop26h 05m

Kolkata Netaji S. Chandra

Sun 2/11

18:30-15:00

1 stop20h 15m

₹ 24,717

KathmanduKolkata

KTM - CCU

KTMCCU

Kathmandu Tribhuvan

Wed 8/10

16:00-17:45

1 stop26h 00m

Kolkata Netaji S. Chandra

Wed 15/10

18:30-14:00

1 stop19h 15m

₹ 25,777

KathmanduKolkata

KTM - CCU

KTMCCU

Kathmandu Tribhuvan

Fri 13/2

21:00-04:15

1 stop7h 30m

Kolkata Netaji S. Chandra

Tue 17/2

10:25-23:00

1 stop12h 20m

₹ 26,660

KathmanduKolkata

KTM - CCU

KTMCCU

Kathmandu Tribhuvan

Fri 13/2

16:00-17:50

1 stop26h 05m

Kolkata Netaji S. Chandra

Tue 17/2

18:30-15:00

1 stop20h 15m

₹ 27,542

KathmanduKolkata

KTM - CCU

KTMCCU

Kathmandu Tribhuvan

Wed 8/10

06:30-22:35

2 stops16h 20m

Kolkata Netaji S. Chandra

Wed 15/10

18:40-13:00

2 stops18h 05m

₹ 33,192

KathmanduKolkata

KTM - CCU

KTMCCU

Kathmandu Tribhuvan

Sat 25/10

15:00-18:25

1 stop3h 40m

Kolkata Netaji S. Chandra

Sat 1/11

16:15-23:00

1 stop6h 30m

₹ 34,428

KathmanduKolkata

KTM - CCU

KTMCCU

Kathmandu Tribhuvan

Sun 26/10

13:50-17:50

1 stop4h 15m

Kolkata Netaji S. Chandra

Sun 2/11

13:15-23:00

2 stops9h 30m

₹ 35,399

KathmanduKolkata

KTM - CCU

KTMCCU

Kathmandu Tribhuvan

Wed 17/9

07:35-16:15

1 stop8h 55m

₹ 10,240

KathmanduKolkata

KTM - CCU

KTMCCU

Kathmandu Tribhuvan

Mon 19/1

06:30-15:05

1 stop8h 50m

₹ 13,418

KathmanduKolkata

KTM - CCU

KTMCCU

Kathmandu Tribhuvan

Thu 25/9

16:40-00:45

1 stop8h 20m

₹ 17,920

Flights are sorted by cheapest return flights first.

Deals found on 9/9

Showing 1-10 of 15 results
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Best time to book a flight from Kathmandu to Kolkata

Have a flexible travel schedule? Discover the best time to fly to Kolkata from Kathmandu with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Kathmandu to Kolkata

What is the cheapest month to book a flight from Kathmandu to Kolkata?

Currently, July is the cheapest month in which you can book a flight from Kathmandu to Kolkata (average of ₹ 116). Flying from Kathmandu to Kolkata in October is currently the most expensive (average of ₹ 161). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Find useful and relevant information for your journey from Kathmandu to Kolkata. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How popular is this Kathmandu to Kolkata flight route?

    This flight path from Kathmandu Tribhuvan to Kolkata Netaji S. Chandra was viewed by 2 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • How long is the flight from Kathmandu to Kolkata?

    For as low as ₹ 26,660, Biman Bangladesh can have you in Kolkata from Kathmandu in 7h 30m. The distance from Kathmandu to Kolkata is about 641 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • What are the cheapest flights from Kathmandu to Kolkata?

    While on average a flight from Kathmandu to Kolkata is generally ₹ 11,914, our data shows the cheapest flight currently is ₹ 11,914. When looking at the most popular route, (Kathmandu Tribhuvan - Kolkata Netaji S. Chandra), you can expect to pay ₹ 24,717 for that flight.

  • Can I find deals for flights from Kathmandu to Kolkata that include hotel bookings?

    Yes. In addition to deals on Kathmandu to Kolkata flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Kathmandu to Kolkata?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Kathmandu to Kolkata.

  • Can I find deals for business class flights from Kathmandu to Kolkata?

    Yes. Cheapflights offers flight deals from Kathmandu to Kolkata by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Kathmandu to Kolkata?

    Currently, July is the cheapest month in which you can book a flight from Kathmandu to Kolkata (average of ₹ 116). Flying from Kathmandu to Kolkata in October is currently the most expensive (average of ₹ 161). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Complete your trip to Kolkata by adding a car rental and/or hotel reservation to your travel itinerary.
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Kolkata Netaji S. Chandra Airport car hire

Fly with Cheapflights

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How does Cheapflights help users find flights from Kathmandu to Kolkata?

Deals for Kathmandu to Kolkata flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Kathmandu to Kolkata?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Kathmandu to Kolkata.

Can Cheapflights find flights from Kathmandu to Kolkata with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Kathmandu to Kolkata, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Kathmandu to Kolkata become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Kolkata from Kathmandu today and book when prices fit your budget.

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